Table 7.
Analysis of variance (ANOVA) for the second order polynomial models, and coefficient values for β-glucosidase, β-xylosidase and xylanase activities in C. graminicola crude extract.
| Source | β-glucosidase | β-xylosidase | Xylanase | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||||||||
| df | SS | MS | F | p | df | SS | MS | F | p | df | SS | MS | F | p | |
| M | 5 | 980.468 | 196.094 | 46.11 | 0.0002 | 5 | 202.638 | 40.528 | 149.06 | 0.0003 | 5 | 187.956 | 37.591 | 9.78 | 0.00462 |
| R | 5 | 0.212 | 0.0425 | - | - | 5 | 0.135 | 0.0271 | - | - | 7 | 26.906 | 3.844 | - | - |
| LF | 3 | 0.203 | 0.0678 | 14.6 | 0.0646 | 3 | 0.122 | 0.409 | 6.36 | 0.1388 | 3 | 0.276 | 0.092 | 4.79 | 0.08193 |
| PE | 2 | 0.0093 | 0.0046 | - | - | 2 | 0.013 | 0.0064 | - | - | 4 | 0.076 | 0.019 | - | - |
|
| |||||||||||||||
| Factor | Coefficient | p-value | Coefficient | p-value | Coefficient | p-value | |||||||||
|
| |||||||||||||||
| Intercept | −1009.78 | 0.000010 | −283.64 | 0.000230 | −675.53 | 0.000000 | |||||||||
| pH | 225.63 | 0.000011 | −63.54 | 0.000246 | 42.79 | 0.000002 | |||||||||
| pH2 | −21.11 | 0.000009 | −7.36 | 0.000098 | −3.48 | 0.000000 | |||||||||
| T | 15.28 | 0.000010 | 5.20 | 0.000163 | 18.32 | 0.000000 | |||||||||
| T2 | −0.11 | 0.000006 | −0.04 | 0.000049 | −0.13 | 0.000000 | |||||||||
| pH.T | −0.26 | 0.000672 | 0.11 | 0.009356 | −0.096 | 0.002283 | |||||||||
Notes: β-glucosidase: R2 = 0.99; F listed 5% = 5.05; β-xylosidase: R2 = 0.99; F listed 5% = 5.05; Xylanase: R2 = 0.98; F listed 5% = 3.97; M = Model; R = residual; LF = Lack of fit; PE = Pure error; df: degrees of freedom; SS: sum of squares; MS: mean square.